Mortgage Payment Calculator
Estimate monthly home loan payments with principal, interest, taxes, and insurance.
All Tools
Free online tools. No signup, no data stored. Everything runs in your browser.
Finance & Budgeting
Free online calculators for mortgages, investments, retirement, budgets, and more. All processing in your browser—no signup, no data stored.
Compound Interest Calculator
Project savings or investment growth with compound interest over time.
Investment / SIP Returns Calculator
Calculate the future value of monthly investments (SIP) with expected returns.
Retirement Savings Planner
Estimate how much you need to save to reach your retirement goal.
Paycheck / Net Salary Calculator
Estimate take-home pay after taxes and deductions.
Debt Payoff / Snowball Calculator
Plan how to pay off loans faster with the debt snowball or avalanche method.
Personal Budget Planner
Allocate income across expenses and savings goals.
ROI / Break-even Calculator
Calculate return on investment or find the break-even point for pricing.
Discount & Profit Margin Calculator
Compute discounted prices, markups, and profit margins.
Rent vs Buy / Affordability Calculator
Compare renting vs buying a home and see what you can afford.
Health & Fitness
Free online health calculators: BMI, BMR, TDEE, body fat, calories, water intake, sleep cycles, ideal weight. All processing in your browser—no signup, no data stored.
BMI Calculator
Calculate your Body Mass Index from height and weight to assess weight category.
BMR / TDEE Calculator
Estimate your Basal Metabolic Rate and Total Daily Energy Expenditure (daily calorie needs).
Body Fat Percentage Calculator
Estimate body fat percentage using the US Navy method (measurements).
Daily Calorie Intake Calculator
Get personalized daily calorie targets for maintenance, loss, or gain.
Water Intake Calculator
Estimate daily hydration needs by weight and activity level.
Sleep Cycle Calculator
Find optimal bed and wake times based on 90-minute sleep cycles.
Ideal Body Weight Calculator
Estimate ideal body weight using the Devine formula (height-based).
Pregnancy Due Date Calculator
Estimate your baby's due date from the first day of your last menstrual period.
Ovulation & Fertility Calculator
Predict your fertile window and ovulation date from your cycle length and last period.
Education & Everyday
Free online tools: age on planets, days alive, clothing size conversion, grade/GPA, reading speed, tip and bill split. No signup, all in your browser.
Age on Planets / Days Alive Calculator
See your age in days and your age on Mercury, Venus, Mars, and other planets.
Clothing Size Conversion Calculator
Convert between US, UK, and EU clothing and shoe sizes.
Grade / GPA Calculator
Calculate your GPA from letter grades and credits, or find the grade you need.
Reading / Typing Speed Calculator
Calculate words per minute (WPM) or estimate time to read or type text.
Tip & Bill Split Calculator
Calculate tip, total bill, and split per person.